4.7 Article

Copper-catalyzed electrophilic amination of sodium sulfinates at room temperature

Journal

CHEMICAL COMMUNICATIONS
Volume 51, Issue 92, Pages 16573-16576

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c5cc06069a

Keywords

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Funding

  1. National Natural Science Foundation of China [91127041, 21172045, 21572036]
  2. Changjiang Scholars and Innovative Research Team in University [IRT1117]
  3. Shanghai International Cooperation Program [14230710600]
  4. Doctoral Fund of Ministry of Education of China [20130071110032]
  5. Department of Chemistry Fudan University

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By using O-benzoyl hydroxylamines as amine sources, the first convenient copper-catalyzed electrophilic amination of sodium sulfinates has been realized. Even with 2 mol% catalyst loading, the protocol provided an efficient and straightforward synthesis of a broad range of functional sulfonamides under ambient reaction conditions without an additional base and ligand. Based on the control experiments, a plausible mechanism was proposed.

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